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lyudmila [28]
2 years ago
9

The graph below is the graph of a function. A. True B. False

Mathematics
2 answers:
Charra [1.4K]2 years ago
6 0
I’m 90% sure it’s true
Arte-miy333 [17]2 years ago
5 0

What is graph function ?

A graph function is set of all points in the plane of the form (x, f(x))

as we can see this picture describe the graph function .

here is vertical line test for the same

If the vertical line drawn intersects the graph more than once for any value of x then the graph is not the graph of a function.

so it's true

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<h3><u>Solution:</u></h3>

Given that It takes 3 hours to paddle a kayak 12 miles downstream

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Also given that it takes 4 hours for the return trip upstream

Distance covered in upstream = 12 miles

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<em><u>Formula to remember:</u></em>

If the speed of a boat in still water is u km/hr and the speed of the stream is v km/hr, then: Speed downstream = (u + v) km/hr and Speed upstream = (u - v) km/hr

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<em><u>For upstream:</u></em>

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Now let us eqn 1 and eqn 2

Add eqn 1 and eqn 2

x + y + x - y = 4 + 3

2x = 7

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